Pool drain



FIG. 1 is a front left perspective view of a pool drain showing our new design.

FIG. 2 is a front top perspective view thereof.

FIG. 3 is a front bottom perspective view thereof.

FIG. 4 is a back left perspective view thereof.

FIG. 5 is a back top perspective view thereof.

FIG. 6 is a back bottom perspective thereof.

FIG. 7 is a front view thereof.

FIG. 8 is a back view thereof.

FIG. 9 is a left side view thereof.

FIG. 10 is a right side view thereof.

FIG. 11 is a top view thereof; and,

FIG. 12 is a bottom view thereof.

The broken lines shown in the drawings represent portions of the pool drain that form no part of the claim. 

CLAIM The ornamental design for a pool drain, as shown and described. 